12 Command line options and environment variables12.1 Command line options12.2 Environment variables

12.2 Environment variables

Ipe, ipetoipe, and iperender respect the following environment variables:

IPELATEXDIR
the directory where Ipe runs Latex.
IPELATEXPATH
the directory that contains the pdflatex and xelatex commands. If not set, Ipe assumes the commands are on your path.
IPEDEBUG
set to 1 for debugging output.
IPEANCIENTPDFTEX
set this variable to use Pdftex versions older than 1.40.

The Ipe program uses several additional environment variables:

EDITOR
external editor to use for editing text objects.
IPESTYLES
a list of directories, separated by semicolons on Windows and colons otherwise, where Ipe looks for stylesheets, for instance for the standard stylesheet basic.isy. You can write _ (a single underscore) for the system-wide stylesheet directory. If this variable is not set, the default consists of the system-wide stylesheet directory, plus ~/.ipe/styles on Unix, plus ~/Library/Ipe/Styles on OS X.
IPELETPATH
a list of directories, separated by semicolons on Windows and colons otherwise, containing ipelets. You can write _ (a single underscore) for the system-wide ipelet directory. If this variable is not set, the default consists of the system-wide ipelet directory, plus ~/.ipe/ipelets on Unix, plus ~/Library/Ipe/Ipelets on OS X.
IPEICONDIR
directory containing icons for the Ipe user interface.
IPEDOCDIR
directory containing Ipe documentation.
IPELUAPATH
path for searching for Ipe Lua code.